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Roots Blower NSR Series

Roots Blower NSR Series view 1

Roots Blower NSR Series view 2

Roots Blower NSR Series view 3

Roots Blower — NSR Series 0.55 to 355 KW

Positive-displacement twin-lobe Roots blowers for aeration, pneumatic conveying and pressure/vacuum duty. Standard NSR, high-pressure NSR-H and vacuum NSR-V series, bore 40–350 A.

0.55 – 355 KWPower

9.8 – 98 kPaMax pressure

up to 188.7 m³/minMax air flow

NSR40 – NSR350Models

Specification WhatsApp

Roots blower animation — 10 industrial applications (Original Nopassy animation)

Catalog plates — performance data & overall dimensions

Reproduced from the printed catalog. Select a plate to open it full size.

NSR Standard Blower — Performance Data (1/3)

NSR Standard Blower — Performance Data (2/3)

NSR Standard Blower — Performance Data (3/3)

NSR — V-Belt Drive · Overall Dimensions

NSR — Direct-Coupled Drive · Overall Dimensions

NSR-H Pressure Blower — Performance Data (1/2)

NSR-H Pressure Blower — Performance Data (2/2)

NSR-H — V-Belt Drive · Overall Dimensions

NSR-H — Direct-Coupled · Overall Dimensions

NSR Vacuum Pump — Performance Data (1/2)

NSR Vacuum Pump — Performance Data (2/2)

NSR-MJ — Compact Unit · Overall Dimensions

Related technical guides

Aeration is the application where Roots blowers earn their place — these two guides cover the selection and the comparison.

Wastewater Aeration Blower Guide

Oxygen demand, pressure from water depth, and the choice between Roots, centrifugal and magnetic levitation machines.

Centrifugal vs Side Channel Blower

Pressure, flow, curve shape, noise and running cost compared, plus when a Roots blower is the better third option.

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CE / ISO 9001 / IE3
Sample & OEM available

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